Thursday, October 13, 2011

this is a compound substance because its more than one atom


salt water is a solution because it is mixed and dissolved





water is a pure substance
the floor is heterogeneous because u can pick out all the seperate pictures
the lockers are homogen
eous because they are in a pattern

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Comments are definitely welcomed, but because this is the online version of what we're doing in class, they will be moderated.